HUE053647T2 - Method and system for the integrated production of urea and melamine - Google Patents

Method and system for the integrated production of urea and melamine

Info

Publication number
HUE053647T2
HUE053647T2 HUE16732782A HUE16732782A HUE053647T2 HU E053647 T2 HUE053647 T2 HU E053647T2 HU E16732782 A HUE16732782 A HU E16732782A HU E16732782 A HUE16732782 A HU E16732782A HU E053647 T2 HUE053647 T2 HU E053647T2
Authority
HU
Hungary
Prior art keywords
melamine
urea
integrated production
integrated
production
Prior art date
Application number
HUE16732782A
Other languages
Hungarian (hu)
Inventor
Johannes Henricus Mennen
Original Assignee
Stamicarbon
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=53002560&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HUE053647(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of HUE053647T2 publication Critical patent/HUE053647T2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/245—Stationary reactors without moving elements inside placed in series
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/12—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds combined with the synthesis of melamine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/62—Purification of melamine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00018—Construction aspects
    • B01J2219/00024—Revamping, retrofitting or modernisation of existing plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/24—Stationary reactors without moving elements inside
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
HUE16732782A 2015-04-23 2016-04-25 Method and system for the integrated production of urea and melamine HUE053647T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15164888 2015-04-23

Publications (1)

Publication Number Publication Date
HUE053647T2 true HUE053647T2 (en) 2021-07-28

Family

ID=53002560

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE16732782A HUE053647T2 (en) 2015-04-23 2016-04-25 Method and system for the integrated production of urea and melamine

Country Status (8)

Country Link
US (1) US10358413B2 (en)
EP (1) EP3286165B1 (en)
CN (1) CN107531618B (en)
EA (1) EA034952B1 (en)
HR (1) HRP20210371T1 (en)
HU (1) HUE053647T2 (en)
PL (1) PL3286165T3 (en)
WO (1) WO2016171562A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110041230B (en) * 2019-04-30 2021-10-15 中国五环工程有限公司 Process for producing urea by stripping method for recovering tail gas of melamine device
EP4006011A1 (en) * 2020-11-30 2022-06-01 Eurotecnica Melamine Ag Integrated process for the production of melamine and urea

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239522A (en) * 1963-03-12 1966-03-08 Chemical Construction Corp Synthesis of urea and melamine
US3700672A (en) 1969-04-15 1972-10-24 Nissan Chemical Ind Ltd Process for recovering by-product gases at high pressure in melamine production
US3723430A (en) 1970-10-28 1973-03-27 Nissan Chemical Ind Ltd Method for reclamation of melamine waste gas
US4565867A (en) 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
TW385307B (en) * 1996-08-30 2000-03-21 Dsm Nv Process for the preparation of urea
AT411830B (en) 1998-12-03 2004-06-25 Agrolinz Melamin Gmbh METHOD FOR PRODUCING UREA INCLUDING THE MELAMINE OFFGASES IN A UREA PLANT
ITMI20021026A1 (en) 2002-05-14 2003-11-14 Eurotecnica Dev & Licensing S MELAMINE PRODUCTION PROCESS FROM UREA AND PARTICULARLY TO OBTAIN MELAMINE-FREE OFF-GAS IN THE FIRST SEPARATION STAGE
CN1902163B (en) * 2004-02-20 2010-05-26 乌里阿·卡萨勒有限公司 Integrated process for urea and melamine production
EP1918274A1 (en) * 2006-11-04 2008-05-07 Urea Casale S.A. Integrated process for urea and melamine production
EP2343274A1 (en) 2010-01-07 2011-07-13 Stamicarbon B.V. A urea stripping process for the production of urea
EP2502905A1 (en) 2011-03-24 2012-09-26 Borealis Agrolinz Melamine GmbH Method for treating offgases from a melamine plant

Also Published As

Publication number Publication date
PL3286165T3 (en) 2021-06-14
EP3286165B1 (en) 2021-02-17
EA034952B1 (en) 2020-04-10
EP3286165A1 (en) 2018-02-28
HRP20210371T1 (en) 2021-04-30
CN107531618B (en) 2021-02-26
CN107531618A (en) 2018-01-02
EA201792343A1 (en) 2018-04-30
WO2016171562A1 (en) 2016-10-27
US10358413B2 (en) 2019-07-23
US20180099926A1 (en) 2018-04-12

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